Footwear sole



FIG. 1 is a perspective view of a footwear sole embodying my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

FIGS. 1-6 show portions of an upper and a midsole in broken lines. The upper and midsole are shown for environmental purposes and do not form any part of the claimed design.

The broken lines immediately adjacent to the solid line details throughout the views, represent the boundary of the design. The broken line forms no part of the claim. 

The ornamental design for footwear sole, as shown and described. 